Oscommerce sites need to be modified and fixed

I have a few things i need done to my site [url removed, login to view] and a few things i need done to my friends site [url removed, login to view]

-fix live chat on popularjordans and shoeswag ... you can see the error by going to [url removed, login to view] (for popularjordans the code has not been ran on that site but i want the same script)

-add a password change to popularjordans and shoeswag admin so i can change the passord to my admin anytime i am ready to do so without it messing up a code in my site.

-add a bulk price editor so i can change all my prices by category in admin for both sites ss &amp; pj

-add a size 5.5 to the top of my size list for all women shoes on popularjordans

-fix my feedback page on [url removed, login to view] because the users can not submit the comments for some reason it stoped working

- on popularjordans &amp; shoeswag i want the site to rotate all shoes and different items from all categories instead of it being the same thing

- on [url removed, login to view] i need when i type the item number in the search starting with ss i need it to work because it isnt working, and with popularjordans i need the 4 digit item number to be displayed on the main product page in the product description section.

-when checking out of oj i get error message Credit Card Error!

The credit card number entered is invalid.&lt;br&gt;Please check the number and try again

- and today customers ere saying on ss they were getting the following error -

Warning: Cannot modify header information - headers already sent by (output started at /home/content/p/o/p/popularjordans/html/includes/classes/[url removed, login to view]) in /home/content/p/o/p/popularjordans/html/includes/functions/[url removed, login to view] on line 33

-need money gram &amp; money order contribution installed on pj only

- i need evereything in popularjordans that says shoeswag to be changedthe welcome email says shoes swag to the people that join the site. it says shoesag in some of the checkout i dont ant it to mention or say shoeswag anyhere in that entire site anywhere please.

-on popular jordans i need my shipping to be $8.74 for each item added to the cart.

-copy entire popularjordans shoe database n add to shoeswag. i dont need the pictures uploaded to shoeswag i think there is a way you can use the pictures from popularjordans ftp and make it work? I need the same shoe sizes added also

-and final request to make sure on both sites all products has 1000 items in stock

I need this done in a matter of few hours, i only ant experienced fast osc people please, and the most i can offer for this project is $150 usd. I need someone to start now that has positive gaf feedbacks. Please do not bid if you do not intend on starting now and finishing in a few hours. This is an urgent request. Thanks